2008 INFINITI QX56 Factory Service Manual

Page 1081 of 4083

INFINITI QX56 2008  Factory Service Manual P1819 TRANSFER CONTROL DEVICEDLN-51
< COMPONENT DIAGNOSIS > [ATX14B]
C
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G H
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M A
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DLN
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  With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select SELF-DIAG RESULTS

Page 1082 of 4083

INFINITI QX56 2008  Factory Service Manual DLN-52
< COMPONENT DIAGNOSIS >[ATX14B]
P1820 ENGINE SPEED SIGNAL
P1820 ENGINE SPEED SIGNAL
DescriptionINFOID:0000000001737140
The ECM transmits the engine speed signal via CAN comm
unication to the tr

Page 1083 of 4083

INFINITI QX56 2008  Factory Service Manual P1822 CLUTCH PRESSURE SOLENOIDDLN-53
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
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M A
B
DLN
N
O P
P1822 CLUTCH PRESSURE SOLENOID
DescriptionINFOID:0000000001737143
Proper voltage is not applied t

Page 1084 of 4083

INFINITI QX56 2008  Factory Service Manual DLN-54
< COMPONENT DIAGNOSIS >[ATX14B]
P1822 CLUTCH PRESSURE SOLENOID
Are the inspection results normal?
YES  >> GO TO 7.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN TRANSFER CONT
ROL UNIT AND CLUTCH PRESS

Page 1085 of 4083

INFINITI QX56 2008  Factory Service Manual P1822 CLUTCH PRESSURE SOLENOIDDLN-55
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
3. Check continuity between transfer terminal cord assembly har- ness connector F56 terminal 19 a

Page 1086 of 4083

INFINITI QX56 2008  Factory Service Manual DLN-56
< COMPONENT DIAGNOSIS >[ATX14B]
P1822 CLUTCH PRESSURE SOLENOID
2. Disconnect transfer terminal cord assembly harness connector.
3. Check resistance between transfer terminal cord assembly ter-

Page 1087 of 4083

INFINITI QX56 2008  Factory Service Manual P1823 2-4 SOLENOIDDLN-57
< COMPONENT DIAGNOSIS > [ATX14B]
C
EF
G H
I
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K L
M A
B
DLN
N
O P
P1823 2-4 SOLENOID
DescriptionINFOID:0000000001737147
Proper voltage is not applied to the 2-4WD solenoid val

Page 1088 of 4083

INFINITI QX56 2008  Factory Service Manual DLN-58
< COMPONENT DIAGNOSIS >[ATX14B]
P1823 2-4 SOLENOID
 
Without CONSULT-III
1. Start engine.
2. Check voltage between transfer control unit harness connector
terminal and ground.
Are the inspectio